Mechanical dish-washer.



W. R. WALKER. MECHANICAL DISH WASHER. APPLICATION FILED IuIY`28. |916.

Patented May T, 1,918.

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"h a Hummm I WILLARD R. WALKER, OF SYRCUSE, NEW YORK, ASSIGNOR T0 WALKER BROTHERS v COMPY, OF SYEOUSJE, NEW YORK, .K CORPORATION 0F NEW YORK.

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To all whom it may concern.

Be it known that ll, WILLARD R. WALKER, a citizen of the United States of America, and resident of Syracuse, in the county of Onondaga, inthe State of New York, have invented new and useful improvements in Mechanical Dish-Washers, of which the following, taken in connection with the accompanying drawings, is a full, clear, and exact description.

This invention relates to certain improvements in mechanical dish-washers of the class set forth in my pending applications, Serial Nos. 776,678, filed June 30, 1913,- 811,720, filed Jan. 12, 1914, and 847 ,965, filed .l une 29, 1914,--in so far as it contemplates broadly the use of a vat containing a washing fluid, a dishsupporting tray in the vat and an agitator or impeller centrallyv supported in the bottom of the vat for forcing the washing fluid upwardly through the tray andl against the dishes or other utensils therein.

r1`he present invention, however, is distinguished from my previous applications,-in that it relates more particularly to the means for supporting the main body of the vat and lid therefor, and also to the driving mechanism for the propeller and supporting means therefor.

' One of the principal objects is to support the vat without necessitating the drilling of holes therethrough which, aside from the extra expense, increases the liability of leakage.

Another object is to enable the same vat to be supported from the floor by suitable legs, or upon wall brackets without in any way altering the structure of the vat or its main supports.

A further object is to hinge the lid to one of the main supports so that the vat with the lid thereon may be supported by the wall brackets or upon the floor legs without disturbing the hinge connections between the main body of the vat and lid.

'A still further object is to provide means whereby the impeller driving-mechanism may be easily and quickly changed from hand to motive power, .or vice versa.

tu Another object is to support the driving Specication of Letters Patent.

1on1. msn-WASHER.

Patented May t., 1914.

"application mea my as, 191e. serial No. 111,930.

mechanism mainly upon one of the vat-supporting bands so as to avoid drilling holes in the vat, and thereby further reducing the liability of leakage.

Other objects and uses relating to specific parts of the machine will be brought out in the following description.

In the drawings- Figure lis a front elevation of a mechanif' cal dish-washer embodying the various features of my invention, and showing the wallsupporting brackets therefor in full lines, and the floor-supporting legs in dotted lines.

Fig. 2 is a top plan of the machine shown in Fig. 1.

Fig. 3 is an enlarged horizontal sectional view taken on line 3 3, Fig. 1.

As illustrated, this dish-washing machine comprises a cylindrical vat -1- having a. conical bottom -2- and a conical lid -3, the latter being provided with a hinge section -4- pivoted at -5- to a relatively stationary section 6 constituting a part of the supporting means `for the lid.

The upper end of the vat -1- is enlarged to form an annular shoulder -7- adapted to support an openwork dish tra y. not shown, in a manner somewhat similar to that shown in my pending application, Serial No. 811,720, filed January 12, 1914.

The lower end of the main body of the vat -1- is also provided with an annular shoulder -7- at its junction with the conical bottom -2-, said shoulders -7 and -7- being adapted to cooperate with suitable means, presently described, for supporting the entire vat with the parts mounted thereon.

This supporting means preferably comprises upper and lower split bands or rings -10- and -11- tightly clamped by bolts -12- around and upon the adjacent por- .tions of the periphery of the main body of the vat adjacent the annular. shoulders -7- and -7- so that the upper edge of the upper ring -10 will engage the shoulder -7-, while the lower edge of the lower ring -11- will engage the annular shoulder -7- to hold the vat against vertical movement.

These bands are, therefore, adjustable circumferentially and longitudinally upon the means for the vat without perforating or otherwise mutilating the same, and thereby reducing to a minimuml the liability of leakage, and at the same time permitting the vat to be readily removed and replaced from or upon the supporting rings when desired.

The rings may be supported from a wall -aby separate upper and lower brackets I3- and 14- which may be fastened to the wall by bolts or screws l5- the upper bracket -13- being rigidly secured by bolts 16- to the hinge section 6 of the upper ring or band -l0-, while the lower bracket 14.- is secured by bolts -17- directly to the lower ring or band --1l.

The object in making the brackets 13- and -14- separate is to enable their respective bands -l0- and -llto be properly adjusted against the corresponding anges when securing the brackets to the wall.

These bands or rings -l0-- and 1linstead of being supported by the wall brackets I3- and lllmay be supported from the ioor by a series of, in this instance three, legs, 1S- shown by dotted lines in Figs. l, 2 and 3 vat at the proper height.

In order that the vat may be supported by either the brackets 13'- and I4- or legs 18- without perforating it to receive the clamping bolts, portions of the bands or rings l0- and -11- registering with the clamping bolts 17 are pressed outwardly to form bosses 19- and recesses -20-, the recesses serving to receive the heads ofthe bolts -17 which are passed outwardly through radial openings in the bosses -19- and clamped to the hinge section -6- and bracket -14-, or to, the legs -18-, accordin to whether the vat is to be supported by te wall brackets or by the legs.

The legs preferably consist of channel irons arranged with their channels facing inwardly and of just sufiicient width to fit closely upon the side edges of the bosses -l9 when secured in place, thereby materially stiiening the connection between the legs and bands.

The washin fluid which is laced in the vat is adapted to be agitated y means of an impeller -21- which may be rotated intermittently in reverse directions by handoperated mechanism, presently described, or continuously in the same direction by for supporting the means of a motor, and for this purpose the impeller shaft, as -22, is journaled in a central gland in the apex of the conical bottom -2- and is suitably geared to an underlying horizontal shaft -23- carrying a pulley -Q- capable of being connected by a belt, not shown, to any available motor, or other power-driven device, not shown.

The pulley is preferably loose on the shaft and provided with a clutch section -25- adapted to be moved into and out of engagement with a companion clutch section 26- wliich is rigid on the shaft.

Any well known shifting device, may be employed for moving the pulley -24;- and its clutch member -25- into operative connection with the clutch section -26- for transmitting motion to the shaft -22.

When the machine is operated by hand, the shaft is provided with a pinion meshing with a tooth segment 28- on the lower end of an upright lever -29- which is pivoted at 30- to a bracket -31- on the lower band -ll-, said bracket being extended downwardly a sufficient distance to form a bearing for the outer end of the shaft -22-, the inner end of which is journaled in a gear case -32.

When the impeller is to be driven by motor, `the lever -29- is rocked laterally a sutlicient distance to throw the tooth segment -28- out of mesh with its coperative pinion on the shaft -23-.

What I claim is:

1. In a mechanical dish-washer, the combination of a vat having a lid, a band clamped to the periphery of the vat, a hinge having one section secured to the band and another section secured to the lid, and means for supporting the band.

2. In a mechanical dish-washer, the combination of a vat having a lid, a band clamped to the periphery of the vat, a hinge having one section secured to the band and another section secured to the lid and a supporting bracket for the band secured to the hinge section on said band.

3. In a mechanical dish-washer, the combination of a vat, a band clamped to the periphery of the vat and having portions thereof pressed outwardly to form recesses in the inner faces of the band, and supporting means for the band having headed bolts passed through apertures in the band and their heads seated in said recesses.

4. In a mechanical dish-washer, the combination of a vat, a rotary impeller therein, driving means for the impeller, and supporting means for said vat including a split band encircling the periphery of the vat and provided with means for tightening and loosening the same to allow the hand and vat to be rotarily adjusted. relolin witness whereof l have hereunto set tively to each other for properly positionmy hand this 18th day of July, 1916., ing the impeller-drvin means relatively to the supporting means or the vat, said sup- WLLARD R WALKER 5 porting means being also provided with Witnesses:

meansl for supporting a portion of the im- H. E. CHASE,

peller-drving means; Amon M. CANNON. 

